1222138400

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{31177}}^1$

素因数の和:31211

約数の個数: 108

約数和(自身を含む): 3470766138

約数和(自身を除く): 2248627738

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 350, 392, 400, 490, 560, 700, 784, 800, 980, 1120, 1225, 1400, 1568, 1960, 2450, 2800, 3920, 4900, 5600, 7840, 9800, 19600, 31177, 39200, 62354, 124708, 155885, 218239, 249416, 311770, 436478, 498832, 623540, 779425, 872956, 997664, 1091195, 1247080, 1527673, 1558850, 1745912, 2182390, 2494160, 3055346, 3117700, 3491824, 4364780, 4988320, 5455975, 6110692, 6235400, 6983648, 7638365, 8729560, 10911950, 12221384, 12470800, 15276730, 17459120, 21823900, 24442768, 24941600, 30553460, 34918240, 38191825, 43647800, 48885536, 61106920, 76383650, 87295600, 122213840, 152767300, 174591200, 244427680, 305534600, 611069200, 1222138400]

約数ペア:

[(1, 1222138400), (2, 611069200), (4, 305534600), (5, 244427680), (7, 174591200), (8, 152767300), (10, 122213840), (14, 87295600), (16, 76383650), (20, 61106920), (25, 48885536), (28, 43647800), (32, 38191825), (35, 34918240), (40, 30553460), (49, 24941600), (50, 24442768), (56, 21823900), (70, 17459120), (80, 15276730), (98, 12470800), (100, 12221384), (112, 10911950), (140, 8729560), (160, 7638365), (175, 6983648), (196, 6235400), (200, 6110692), (224, 5455975), (245, 4988320), (280, 4364780), (350, 3491824), (392, 3117700), (400, 3055346), (490, 2494160), (560, 2182390), (700, 1745912), (784, 1558850), (800, 1527673), (980, 1247080), (1120, 1091195), (1225, 997664), (1400, 872956), (1568, 779425), (1960, 623540), (2450, 498832), (2800, 436478), (3920, 311770), (4900, 249416), (5600, 218239), (7840, 155885), (9800, 124708), (19600, 62354), (31177, 39200)]